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[PATCH] sched: arch preempt notifier mechanism
authorAvi Kivity <avi@qumranet.com>
Thu, 26 Jul 2007 11:40:43 +0000 (13:40 +0200)
committerIngo Molnar <mingo@elte.hu>
Thu, 26 Jul 2007 11:40:43 +0000 (13:40 +0200)
commite107be36efb2a233833e8c9899039a370e4b2318
tree655955aa81aefeff441c412adaafe9b51a00ff56tree | snapshot
parentb47e8608a08766ef8121cd747d3aaf6c3dc22649commit | diff
[PATCH] sched: arch preempt notifier mechanism

This adds a general mechanism whereby a task can request the scheduler to
notify it whenever it is preempted or scheduled back in.  This allows the
task to swap any special-purpose registers like the fpu or Intel's VT
registers.

Signed-off-by: Avi Kivity <avi@qumranet.com>
[ mingo@elte.hu: fixes, cleanups ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
include/linux/preempt.h diff | blob | history
include/linux/sched.h diff | blob | history
kernel/Kconfig.preempt diff | blob | history
kernel/sched.c diff | blob | history
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